Dictionary-Based Sentiment Analysis

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Documentation for package ‘SentimentAnalysis’ version 1.3-5

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Code demos. Use demo() to run them.
• Package NEWS.

Help Pages

analyzeSentiment	Sentiment analysis
analyzeSentiment.character	Sentiment analysis
analyzeSentiment.Corpus	Sentiment analysis
analyzeSentiment.data.frame	Sentiment analysis
analyzeSentiment.DocumentTermMatrix	Sentiment analysis
analyzeSentiment.TermDocumentMatrix	Sentiment analysis
compareDictionaries	Compares two dictionaries
compareToResponse	Compare sentiment values to existing response variable
compareToResponse.data.frame	Compare sentiment values to existing response variable
compareToResponse.factor	Compare sentiment values to existing response variable
compareToResponse.integer	Compare sentiment values to existing response variable
compareToResponse.logical	Compare sentiment values to existing response variable
compareToResponse.numeric	Compare sentiment values to existing response variable
convertToBinaryResponse	Convert continuous sentiment to direction
convertToDirection	Convert continuous sentiment to direction
countWords	Count words
countWords.character	Count words
countWords.Corpus	Count words
countWords.data.frame	Count words
countWords.DocumentTermMatrix	Count words
countWords.TermDocumentMatrix	Count words
DictionaryGI	Dictionary with opinionated words from the Harvard-IV dictionary as used in the General Inquirer software
DictionaryHE	Dictionary with opinionated words from Henry's Financial dictionary
DictionaryLM	Dictionary with opinionated words from Loughran-McDonald Financial dictionary
enetEstimation	Elastic net estimation
extractWords	Extract words from dictionary
generateDictionary	Generates dictionary of decisive terms
generateDictionary.character	Generates dictionary of decisive terms
generateDictionary.Corpus	Generates dictionary of decisive terms
generateDictionary.data.frame	Generates dictionary of decisive terms
generateDictionary.DocumentTermMatrix	Generates dictionary of decisive terms
generateDictionary.TermDocumentMatrix	Generates dictionary of decisive terms
glmEstimation	Estimation via generalized least squares
lassoEstimation	Lasso estimation
lmEstimation	Ordinary least squares estimation
loadDictionaryGI	Loads Harvard-IV dictionary into object
loadDictionaryHE	Loads Henry's finance-specific dictionary into object
loadDictionaryLM	Loads Loughran-McDonald dictionary into object
loadDictionaryLM_Uncertainty	Loads uncertainty words from Loughran-McDonald into object
loadDictionaryQDAP	Loads polarity words from qdap package into object
loadImdb	Retrieves IMDb dataset
lookupEstimationMethod	Estimation method
ngram_tokenize	N-gram tokenizer
numEntries	Number of words in dictionary
numNegativeEntries	Number of negative words in dictionary
numPositiveEntries	Number of positive words in dictionary
plot.SentimentDictionaryWeighted	KDE plot of estimated coefficients
plotSentiment	Line plot with sentiment scores
plotSentimentResponse	Scatterplot with trend line between sentiment and response
predict.SentimentDictionaryWeighted	Prediction for given dictionary
preprocessCorpus	Default preprocessing of corpus
print.SentimentDictionaryBinary	Output content of sentiment dictionary
print.SentimentDictionaryWeighted	Output content of sentiment dictionary
print.SentimentDictionaryWordlist	Output content of sentiment dictionary
read	Read dictionary from text file
ridgeEstimation	Ridge estimation
ruleLinearModel	Sentiment based on linear model
ruleNegativity	Ratio of negative words
rulePositivity	Ratio of positive words
ruleRatio	Ratio of dictionary words
ruleSentiment	Sentiment score
ruleSentimentPolarity	Sentiment polarity score
ruleWordCount	Counts word frequencies
SentimentDictionary	Create new sentiment dictionary based on input
SentimentDictionaryBinary	Create a sentiment dictionary of positive and negative words
SentimentDictionaryWeighted	Create a sentiment dictionary of words linked to a score
SentimentDictionaryWordlist	Create a sentiment dictionary consisting of a simple wordlist
spikeslabEstimation	Spike-and-slab estimation
summary.SentimentDictionaryBinary	Output summary information on sentiment dictionary
summary.SentimentDictionaryWeighted	Output summary information on sentiment dictionary
summary.SentimentDictionaryWordlist	Output summary information on sentiment dictionary
toDocumentTermMatrix	Default preprocessing of corpus and conversion to document-term matrix
transformIntoCorpus	Transforms the input into a Corpus object
write	Write dictionary to text file
write.SentimentDictionaryBinary	Write dictionary to text file
write.SentimentDictionaryWeighted	Write dictionary to text file
write.SentimentDictionaryWordlist	Write dictionary to text file